-93.5% is the change from 984 to 64
Calculation steps:
[( 64 - 984 ) ÷ 984] x 100 = -93.5%
Formula
Percentage change = [(64 - 984) / 984] x 100
Subtract the new number by the original number
64 - 984 = -920
-920 ÷ 984 = -0.9349593495934959
-0.9349593495934959 x 100 = -93.5%